CN108225718A - A kind of fluorescence oil film thickness scaling method based on temperature effect - Google Patents
A kind of fluorescence oil film thickness scaling method based on temperature effect Download PDFInfo
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- CN108225718A CN108225718A CN201711460560.5A CN201711460560A CN108225718A CN 108225718 A CN108225718 A CN 108225718A CN 201711460560 A CN201711460560 A CN 201711460560A CN 108225718 A CN108225718 A CN 108225718A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
- G01M9/065—Measuring arrangements specially adapted for aerodynamic testing dealing with flow
- G01M9/067—Measuring arrangements specially adapted for aerodynamic testing dealing with flow visualisation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
- G01B11/0625—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating with measurement of absorption or reflection
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of fluorescence oil film thickness scaling method based on temperature effect, stand oil film and oil film parameter is obtained by getting the bid in the test ambient temperature chosen, and then obtain oil film gray value and height value linear functional relation formula, and further obtain linear image intercept and the linear functional relation formula of oil film temperature value, oil film height and the purpose of oil film temperature value can be calculated in wind tunnel test according to current acquired image gray value by being finally reached, calculating parameter is simple, it is good to measure stability, it will not be influenced by surface heat flow, measuring accuracy is high.
Description
Technical field
The present invention relates to a kind of fluorescence oil film thickness scaling methods based on temperature effect, belong to space experiment oil film skill
Art field.
Background technology
The measurement of aircraft surface frictional resistance is a highly important content, skin friction resistance in wind tunnel experiment
Distribution can be used for describing the feature and open up benefit structure that body surface flows in flow field, be that understanding and cognition object and flow field are mutual
Effect provides a beneficial approach.Skin friction resistance and suffered resistance and the Aerodynamic Heating of generation in aircraft motion process
There are substantial connection, by the way that engineering staff can be helped its measurement to optimize the design of aircraft, improve aircraft performance,
Especially under the conditions of hypersonic, skin friction stress is corresponding when flowing is in different fluidised forms (i.e. laminar flow and turbulent flow)
Numerical value is there are larger difference, by the state that boundary layer can be described to its measurement.
In numerous swimming cloths measuring techniques, fluorescence oil film frictional resistance dynamometry technology is that one kind has global measuring ability
Swimming cloths distribution measurement techniques, which, which uses, is mixed with the oil film of fluorescent material and is applied as the probe of skin friction resistance
Model surface is put on, the thickness value of oil film and its movement contain the skin friction resistance information of the position.For thin oil film,
It is considered that fluorescence gray scale is directly proportional to oil film thickness, oil film thickness measurement can be converted into the measurement of fluorescence intensity, for
Oil film frictional drag control equation introduces smooth qualifications and carries out integration minimum using variational method, solves two dimensional surface
Upper two swimming cloths components.
Indicator of the fluorescent material therein as oil film thickness, exciting light generally have longer with excited radiation light
Wavelength spacing, its light exciting characteristic and stimulated radiation characteristic determine its application value in swimming cloths measurement.Generally
For, fluorescent material can be increased with temperature, and radiant light remitted its fury is referred to as Fluorescence quenching effect.Low speed and Asia are transonic speed
During wind tunnel test, flow field total temperature and model surface temperature and room temperature difference very little, can when carrying out the calibration of fluorescence oil film thickness
Not have to Fluorescence quenching effect caused by considering temperature change.But when carrying out hypersonic wind tunnel experiment, since incoming can lead to
Heater heating is crossed, incoming total temperature can be significantly hotter than room temperature, its temperature can also rise after dummy vehicle surface is heated by air-flow
Height causes Fluorescence quenching effect.It in this case, will be simultaneously by oil using the fluorescence oil film half-tone information of cameras record
The influence of film thickness and temperature, and the temperature survey of model surface equally exists large error, it is difficult to pass through simple ground
The thickness of fluorescence oil film is mapped by calibration with temperature.
Invention content
Present invention solves the technical problem that it is：For model surface temperature survey in the prior art, easily there are larger mistakes
A kind of difference, it is difficult to the problem of thickness and temperature of corresponding oil film are demarcated by ground, it is proposed that fluoroleum based on temperature effect
Film thickness scaling method can be carried out under conditions of having temperature change between fluorescence oil film thickness and acquisition gray value of image
Calibration.
The present invention solves above-mentioned technical problem and is achieved by following technical solution：
A kind of fluorescence oil film thickness scaling method based on temperature effect, it is characterised in that step is as follows：
(1) oil film test ambient temperature range is demarcated according to experimental condition；
(2) reference oil film temperature value is chosen in the range of step (1) test ambient temperature, is loaded using caliberating device glimmering
Photo-oil membrane, and exciting light wave band irradiation is carried out to fluorescence oil film, obtain fluorescence oil film gray value under the reference oil film temperature value；
(3) gained fluorescence oil film gray value is measured according to step (2), while reference oil film temperature value and obtain selected by changing
New fluorescence oil film gray value is taken, acquisition image is drawn according to the data obtained and measured zone photo, according to image acquisition fluorescence
Oil film gray value and the linear function relational expression of oil film true altitude；
(4) the general purpose function relational expression of linear function relational expression intercept and reference oil film temperature value in step (3) is asked for；
(5) into wind tunnel test, according to fluoroleum under functional relation obtained by step (3), step (4) and conditions present
Film gray value calculates the oil film height under the conditions of oil film temperature value and the reference environment temperature value.
In the step (2), fluorescent material A, B two kind raw materials identical for mixed proportion, selected reference in fluorescence oil film
Oil film temperature value is Ti, gained fluorescence oil film gray value is I after carrying out exciting light wave band irradiation1(Ti)、 I2(Ti)。
In the step (2), two kinds of raw materials of A, B are the chelate of trivalent rare earth lanthanide.
In the step (3), stimulated radiation fluorescence intensity and the linear function relational expression of oil film true altitude are：
I1(Ti)=ah+b1(Ti)
I2(Ti)=ah+b2(Ti)
In formula, a be the linear function relational expression linear gradient, b1(Ti)、b2(Ti) for linear function relational expression intercept, h
For selected oil film height.
In the step (4), the general purpose function relational expression of intercept and reference oil film temperature value is：
b1(Ti)=m1Ti+n1
b2(Ti)=m2Ti+n2
In formula, m1、m2For general purpose function relational expression slope, n1、n2For general purpose function relational expression intercept.
In the step (5), current oil film temperature value and current oil film altimeter calculation formula are：
I1(Ta)=ahi+m1Ta+n1
I2(Ta)=ahi+m2Ta+n2
In formula, TaFor current oil film temperature value；hiFor current oil film height.
Exciting light wave band centre wavelength needed for the fluorescence oil film is 365nm-400nm.
The fluorescence oil film obtains green light band and red spectral band after carrying out exciting light wave band irradiation, wherein gained green light
Band wavelength is 495nm-570nm, and gained red spectral band wavelength is 620nm-750nm.
The fluorescence oil film uses substrate oil as dimethicone.
Preferably, the fluorescence oil film measures region shooting using colorful CCD camera
The advantages of the present invention over the prior art are that：
(1) a kind of fluorescence oil film thickness scaling method based on temperature effect provided by the invention uses two kinds of different groups
Divide the fundamental measurement parameter of gradation of image, the height of caliberating device and the temperature of oil film of fluorescent material as calibration, calculating side
Method is fitted using linear data and interpolation method, is easy to measure and calculate, accuracy is higher；
(2) fluorescent material of two kinds of different temperatures characteristics used herein, can be with by the variation of its fluorescence gray scale difference
Reflect the variation of oil film temperature, will not be influenced in its temperature applicable range by surface heat flow, measuring accuracy is high, simultaneously
It is more preferable without Fluorescence quenching effect, stability caused by consideration temperature change in calculating process.
Description of the drawings
Fig. 1 is the method flow schematic diagram that invention provides；
Fig. 2 is the gray value of image and oil film highly linear functional arrangement that invention provides；
Fig. 3 is that the fluorescence oil film that invention provides loads schematic diagram；
Specific embodiment
Below in conjunction with attached drawing, by step, the present invention is described in further detail.
A kind of fluorescence oil film thickness scaling method for considering temperature effect proposed by the present invention, needs following preparatory condition：
It is needed in oil film to be calibrated first containing there are two types of the fluorescent material of different component, the fluorescent material of two kinds of different components need to have
Identical exciting light wave band, generally ultraviolet light wave band, centre wavelength 365nm-400nm；The fluorescent material of two kinds of different components
Has different stimulated radiation optical bands, in order to distinguish significantly and convenient for color camera detection, generally green light band
(495nm-570nm) and red spectral band (620nm-750nm), the substrate oil used is dimethicone；Secondly ground is being carried out
When calibration and wind tunnel test, generally using ultraviolet source (365nm) as excitation light source, using colorful CCD camera to be measured
Amount region fluorescence oil film is shot, and by taking PCO1600 backboards freeze colorful CCD camera as an example, need to install height additional before camera lens
Logical filter is had different channel filters, is received with certain by ratio so that exciting light to be prevented to enter before CCD sensitive chips
The excited radiation light of two kinds of components by Image post-processing algorithm, decomposites the image of R (feux rouges) channels and G (green light) channel
Gray scale, the stimulated radiation luminous intensity as two kinds of component fluorescent materials.
A kind of fluorescence oil film thickness scaling method based on temperature effect, as shown in Figure 1, being as follows：
(1) oil film test ambient temperature range is demarcated according to experimental condition；
(2) reference oil film temperature value is chosen in the range of step (1) test ambient temperature, utilizes the calibration as shown in Fig. 3
Device loads fluorescence oil film, and carries out exciting light wave band irradiation to fluorescence oil film, obtains fluoroleum under the reference oil film temperature value
Film gray value I1(Ti)、I2(Ti), wherein：
Fluorescent material A, B identical for mixed proportion in fluorescence oil film, selected reference oil film temperature value are Ti, swashed
Gained fluorescence oil film gray value is I after luminescence band irradiation1(Ti)、I2(Ti)。
(3) as shown in Fig. 2, measuring gained fluorescence oil film gray value I according to step (2)1(Ti)、I2(Ti), change simultaneously
Selected reference oil film temperature value simultaneously obtains new fluorescence oil film gray value, is adopted according to the data obtained and the drafting of measured zone photo
Collect image, according to image acquisition fluorescence oil film gray value and the general purpose function relational expression of oil film true altitude, wherein：
Fluorescence oil film gray value and the functional relation of oil film true altitude are：
I1(Ti)=ah+b1(Ti)
I2(Ti)=ah+b2(Ti)
In formula, because the mixed proportion of A, B substance is identical, in drawing image, the slope phase of two kinds of band images
Together, a be the functional relation linear gradient, b1(T)、b2(T) it is functional relation intercept, h is selected oil film height.
(4) functional relation according to obtained by step (3) obtains the general purpose function relational expression intercept and reference oil film temperature value
General purpose function relational expression, wherein：
The general purpose function relational expression of intercept and reference oil film temperature value is：
b1(Ti)=m1Ti+n1
b2(Ti)=m2Ti+n2
In formula, m1、m2For the functional relation slope, n1、n2For the functional relation intercept.
(5) into wind tunnel test, according to fluoroleum under functional relation obtained by step (3), step (4) and conditions present
Film gray value calculates the oil film height under the conditions of oil film temperature value and the reference environment temperature value, wherein：
In the step (5), current oil film temperature value and current oil film altimeter calculation formula are：
I1(Ta)=ahi+m1Ta+n1
I2(Ta)=ahi+m2Ta+n2
In formula, TaFor current oil film temperature value；hiFor current oil film height.
According to above formula, can obtain：
I1(Ta)-I2(Ta)=(m1-m2)Ta-(n1-n2)
In the expression formula, it is known quantity outside oil-film removing temperature value, can be calculated current oil film temperature value Ta, by institute
It obtains result to substitute into any former formula, can be calculated current oil film height hi, complete the oil film calibration of wind tunnel test.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (10)
1. a kind of fluorescence oil film thickness scaling method based on temperature effect, it is characterised in that step is as follows：
(1) oil film test ambient temperature range is demarcated according to experimental condition；
(2) reference oil film temperature value is chosen in the range of step (1) test ambient temperature, fluoroleum is loaded using caliberating device
Film, and exciting light wave band irradiation is carried out to fluorescence oil film, obtain fluorescence oil film gray value under the reference oil film temperature value；
(3) gained fluorescence oil film gray value is measured according to step (2), while reference oil film temperature value selected by changing and obtained new
Fluorescence oil film gray value draws acquisition image, according to image acquisition fluorescence oil film ash according to the data obtained and measured zone photo
The linear function relational expression of angle value and oil film true altitude；
(4) the general purpose function relational expression of linear function relational expression intercept and reference oil film temperature value in step (3) is asked for；
(5) into wind tunnel test, according to fluorescence oil film gray scale under functional relation obtained by step (3), step (4) and conditions present
Value calculates the oil film height under the conditions of oil film temperature value and the reference environment temperature value.
2. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claim 1, it is characterised in that：Institute
It states in step (2), fluorescent material A, B two kind raw materials identical for mixed proportion, selected reference oil film temperature value in fluorescence oil film
For Ti, gained fluorescence oil film gray value is I after carrying out exciting light wave band irradiation1(Ti)、I2(Ti)。
3. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claim 2, it is characterised in that：Institute
It states in step (2), two kinds of raw materials of A, B are the chelate of trivalent rare earth lanthanide.
4. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claim 2, it is characterised in that：Institute
It states in step (3), stimulated radiation fluorescence intensity and the linear function relational expression of oil film true altitude are：
I1(Ti)=ah+b1(Ti)
I2(Ti)=ah+b2(Ti)
In formula, a be the linear function relational expression linear gradient, b1(Ti)、b2(Ti) it is linear function relational expression intercept, h is selected
Oil film height.
5. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claim 4, it is characterised in that：Institute
It states in step (4), the general purpose function relational expression of intercept and reference oil film temperature value is：
b1(Ti)=m1Ti+n1
b2(Ti)=m2Ti+n2
In formula, m1、m2For general purpose function relational expression slope, n1、n2For general purpose function relational expression intercept.
6. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claim 5, it is characterised in that：Institute
It states in step (5), current oil film temperature value and current oil film altimeter calculation formula are：
I1(Ta)=ahi+m1Ta+n1
I2(Ta)=ahi+m2Ta+n2
In formula, TaFor current oil film temperature value；hiFor current oil film height.
7. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claims 1 to 6, feature exist
In：Exciting light wave band centre wavelength needed for the fluorescence oil film is 365nm-400nm.
8. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claims 1 to 6, feature exist
In：The fluorescence oil film obtains green light band and red spectral band after carrying out exciting light wave band irradiation, wherein gained green light band wave
A length of 495nm-570nm, gained red spectral band wavelength are 620nm-750nm.
9. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claims 1 to 6, feature exist
In：The fluorescence oil film uses substrate oil as dimethicone.
10. a kind of fluorescence oil film thickness scaling method based on temperature effect according to claims 1 to 6, feature exist
In：The fluorescence oil film measures region shooting using colorful CCD camera.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108959802A (en) * | 2018-07-20 | 2018-12-07 | 中国空气动力研究与发展中心高速空气动力研究所 | Global frictional resistance measurement method based on fluorescence oil film thickness on-line proving |
| CN109916317A (en) * | 2019-03-06 | 2019-06-21 | 武汉理工大学 | A kind of caliberating device and method of fluorescence imaging membrane thickness measuring system |
| CN109974602A (en) * | 2019-04-10 | 2019-07-05 | 武汉理工大学 | Method based on xenon induced fluorescence technology measurement bearing water film thickness |
| CN110274546A (en) * | 2019-07-04 | 2019-09-24 | 哈尔滨工程大学 | A kind of oil film thickness scaling method and device based on LIF technology |
| CN111220588A (en) * | 2020-03-24 | 2020-06-02 | 哈尔滨工业大学（威海） | Flow field radiation convergence and dispersion measurement method based on oil film fluorescence brightness |
| CN111928959A (en) * | 2020-07-21 | 2020-11-13 | 国电新能源技术研究院有限公司 | Method and device for measuring surface temperature distribution of heat exchange tube of tube panel heat exchanger |
| CN112964184A (en) * | 2021-04-12 | 2021-06-15 | 西华大学 | Oil film thickness measuring device and measuring method based on surface friction resistance experiment |
| CN113029013A (en) * | 2021-04-21 | 2021-06-25 | 北京理工大学 | Fluorescent dyeing film thickness measurement calibration method considering statistical correction |
| CN113125401A (en) * | 2021-04-21 | 2021-07-16 | 北京理工大学 | Fluorescent dyeing film thickness measurement calibration method considering fluorescent imaging area |
| CN113204879A (en) * | 2021-05-07 | 2021-08-03 | 西华大学 | Improved Hankel matrix prediction model modeling method based on fluorescent oil film and application |
| CN115343014A (en) * | 2022-10-18 | 2022-11-15 | 湖南第一师范学院 | Fluorescent mark point error correction method, device, equipment and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08114526A (en) * | 1994-10-14 | 1996-05-07 | Mitsubishi Heavy Ind Ltd | Wind tunnel test visualizing method and device |
| CN102565016A (en) * | 2011-12-30 | 2012-07-11 | 北京农业智能装备技术研究中心 | Detected temperature effect compensation device and method based on fluorescent quenching sensor |
| CN103267622A (en) * | 2013-05-13 | 2013-08-28 | 中国航空工业集团公司沈阳空气动力研究所 | Device and method for measuring fluorescent oil flow friction force field |
| CN203365103U (en) * | 2013-05-13 | 2013-12-25 | 中国航空工业集团公司沈阳空气动力研究所 | Measuring apparatus for fluorescent oil flow friction force filed |
| CN103776611A (en) * | 2013-12-19 | 2014-05-07 | 中国航天空气动力技术研究院 | Pulse wind tunnel hot-fluid measuring system and method, and calibration system and method thereof |
| CN104390761A (en) * | 2014-12-12 | 2015-03-04 | 中国航空工业空气动力研究院 | Oil formula for fluorescent oil flow friction force field measuring experiments of low-speed wind tunnels |
| CN104697705A (en) * | 2015-03-19 | 2015-06-10 | 中国空气动力研究与发展中心高速空气动力研究所 | Method of measuring friction stress on interference surface of oil film |
| CN106525137A (en) * | 2016-12-07 | 2017-03-22 | 天津大学 | Liquid film temperature field and flow field simultaneous measurement method based on laser induced fluorescence |
-
2017
- 2017-12-28 CN CN201711460560.5A patent/CN108225718B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08114526A (en) * | 1994-10-14 | 1996-05-07 | Mitsubishi Heavy Ind Ltd | Wind tunnel test visualizing method and device |
| CN102565016A (en) * | 2011-12-30 | 2012-07-11 | 北京农业智能装备技术研究中心 | Detected temperature effect compensation device and method based on fluorescent quenching sensor |
| CN103267622A (en) * | 2013-05-13 | 2013-08-28 | 中国航空工业集团公司沈阳空气动力研究所 | Device and method for measuring fluorescent oil flow friction force field |
| CN203365103U (en) * | 2013-05-13 | 2013-12-25 | 中国航空工业集团公司沈阳空气动力研究所 | Measuring apparatus for fluorescent oil flow friction force filed |
| CN103776611A (en) * | 2013-12-19 | 2014-05-07 | 中国航天空气动力技术研究院 | Pulse wind tunnel hot-fluid measuring system and method, and calibration system and method thereof |
| CN104390761A (en) * | 2014-12-12 | 2015-03-04 | 中国航空工业空气动力研究院 | Oil formula for fluorescent oil flow friction force field measuring experiments of low-speed wind tunnels |
| CN104697705A (en) * | 2015-03-19 | 2015-06-10 | 中国空气动力研究与发展中心高速空气动力研究所 | Method of measuring friction stress on interference surface of oil film |
| CN106525137A (en) * | 2016-12-07 | 2017-03-22 | 天津大学 | Liquid film temperature field and flow field simultaneous measurement method based on laser induced fluorescence |
Non-Patent Citations (4)
| Title |
|---|
| 李鹏: "荧光油膜技术及其在流动控制中的应用", 《空气动力学学报》 * |
| 李鹏: "风力机叶片的全局表面摩擦力测量的荧光油膜法", 《南京航空航天大学学报》 * |
| 陆霄露: "采用激光诱导荧光法测量油膜厚度的研究", 《内燃机学报》 * |
| 黄湛: "基于荧光油膜的全局表面摩阻测量技术研究", 《空气动力学学报》 * |
Cited By (16)
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| CN108959802A (en) * | 2018-07-20 | 2018-12-07 | 中国空气动力研究与发展中心高速空气动力研究所 | Global frictional resistance measurement method based on fluorescence oil film thickness on-line proving |
| CN108959802B (en) * | 2018-07-20 | 2022-05-17 | 中国空气动力研究与发展中心高速空气动力研究所 | Global friction measurement method based on online calibration of thickness of fluorescent oil film |
| CN109916317A (en) * | 2019-03-06 | 2019-06-21 | 武汉理工大学 | A kind of caliberating device and method of fluorescence imaging membrane thickness measuring system |
| CN109916317B (en) * | 2019-03-06 | 2023-09-19 | 武汉理工大学 | Calibration device and method of fluorescence imaging film thickness measurement system |
| CN109974602A (en) * | 2019-04-10 | 2019-07-05 | 武汉理工大学 | Method based on xenon induced fluorescence technology measurement bearing water film thickness |
| CN110274546A (en) * | 2019-07-04 | 2019-09-24 | 哈尔滨工程大学 | A kind of oil film thickness scaling method and device based on LIF technology |
| CN111220588A (en) * | 2020-03-24 | 2020-06-02 | 哈尔滨工业大学（威海） | Flow field radiation convergence and dispersion measurement method based on oil film fluorescence brightness |
| CN111928959A (en) * | 2020-07-21 | 2020-11-13 | 国电新能源技术研究院有限公司 | Method and device for measuring surface temperature distribution of heat exchange tube of tube panel heat exchanger |
| CN111928959B (en) * | 2020-07-21 | 2024-05-03 | 国家能源集团新能源技术研究院有限公司 | Method and device for measuring surface temperature distribution of heat exchange tube of tube panel heat exchanger |
| CN112964184B (en) * | 2021-04-12 | 2022-07-01 | 西华大学 | Oil film thickness measuring device and measuring method based on surface friction resistance experiment |
| CN112964184A (en) * | 2021-04-12 | 2021-06-15 | 西华大学 | Oil film thickness measuring device and measuring method based on surface friction resistance experiment |
| CN113125401A (en) * | 2021-04-21 | 2021-07-16 | 北京理工大学 | Fluorescent dyeing film thickness measurement calibration method considering fluorescent imaging area |
| CN113029013A (en) * | 2021-04-21 | 2021-06-25 | 北京理工大学 | Fluorescent dyeing film thickness measurement calibration method considering statistical correction |
| CN113204879A (en) * | 2021-05-07 | 2021-08-03 | 西华大学 | Improved Hankel matrix prediction model modeling method based on fluorescent oil film and application |
| CN115343014A (en) * | 2022-10-18 | 2022-11-15 | 湖南第一师范学院 | Fluorescent mark point error correction method, device, equipment and storage medium |
| CN115343014B (en) * | 2022-10-18 | 2023-01-20 | 湖南第一师范学院 | Fluorescent mark point error correction method, device, equipment and storage medium |
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